Monitor a specific company's real-time SEC EDGAR filings by CIK using the EDGAR company-search Atom/RSS feed and detect new filings of a given form type
domain: sec.gov · 6 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Look up the company's 10-digit CIK via EDGAR company search or the bulk company_tickers.json file
Build an EDGAR company-search request with action=getcompany, the CIK, and output=atom to get the company's filing history as a structured Atom feed
Optionally add a type= parameter with the exact EDGAR form type string (e.g., 8-K) to restrict the feed to a specific filing category, and a count parameter to control how many entries are returned
Send a descriptive User-Agent header identifying your application name and a contact email on every request
Poll the feed on an interval and parse each entry's accession number, form type, and filing date
Diff newly returned entries against previously seen accession numbers to detect new filings, then fetch the full filing index from the corresponding EDGAR archive URL for processing
Known gotchas
EDGAR has no native push/webhook mechanism for filings — the Atom feed is poll-only, so real-time monitoring means running your own polling loop and deduplicating entries yourself
Requests without a compliant User-Agent header (application name plus contact email) receive a 403 response, and a generic browser-style User-Agent is not sufficient
The type= filter expects the exact EDGAR form-type string; a malformed value (e.g., missing the hyphen) silently returns zero results instead of an error
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